title: Reverse survivor bias in observational studies involving cohorts: a lesson from '1:1' trauma studies.
authors.affiliation: Department of Anaesthesia and Intensive Care, Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong.
authors.forename: A M H
authors.initials: AM
authors.lastname: Ho
authors.forename: P W
authors.initials: PW
authors.lastname: Dion
authors.forename: J B
authors.initials: JB
authors.lastname: Holcomb
authors.forename: R H L
authors.initials: RH
authors.lastname: Wong
authors.forename: C S H
authors.initials: CS
authors.lastname: Ng
authors.forename: M K
authors.initials: MK
authors.lastname: Kamakar
authors.forename: T
authors.initials: T
authors.lastname: Gin
mesh_terms: D006470:Hemorrhage / Q000209:etiology / Q000628:therapy; D006801:Humans; D012107:Research Design; D015983:Selection Bias; D017741:Survivors; D013997:Time Factors; D014947:Wounds and Injuries / Q000150:complications